NEWS

KLEE 1.2.0, 31 March 2016
=========================

* Added native support for Z3 (@delcypher)
* Made it possible to build KLEE without using STP and only MetaSMT (@delcypher)
* Added support for tcmalloc, which allows KLEE to better track memory consumption (@MartinNowack)
* Added support for lowering the ``llvm.objectsize`` intrinsic (@delcypher)
* Added soname for Runtest dynamic library (@MartinNowack)
* Added support to load libraries from command line (@omeranson)
* Added command line flag --silent-klee-assume to suppress errors due to infeasible assumptions (Valentin Wüstholz, @wuestholz)
* Changed code to print out arrays deterministically (@MartinNowack)
* Improved klee-clang script (@msoos)
* Added code to dump queries and assignments (@MartinNowack)
* Code cleanup and refactorings (@delcypher, @MartinNowack)
* Improvements to code infrastructure (@delcypher, @domainexpert, @MartinNowack, @mdimjasevic, @msoos)
* Fixed several memory leaks (@delcypher)
* Fixed a bug with how non-power of 2 values were written to memory (@kren1)
* Fixed valueIsOnlyCalled() used by MD2U (@yotann)
* Fixed SELinux signatures (@lszekeres)
* Fixed incorrect position of Not in Expr::Kind (@delcypher)
* Fixed wrong std::vector usage after reserve() call (@pollnossa)
* Improved documentation (@bananaappletw, @ccadar, @delcypher, @mdimjasevic, @Teemperor, @ward, @wuestholz)


KLEE 1.1.0, 13 November 2015
============================

* Made LLVM 3.4 and STP 2.1.0 the recommended versions for installing KLEE (Cristian Cadar, @ccadar; Dan Liew, @delcypher; Martin Nowack, @MartinNowack; Mate Soos, @msoos)
* Added instructions for using the Docker images (Dan Liew, @delcypher)
* Added NEWS file to keep track of changes for each release (Cristian Cadar, @ccadar)
* Added coverage information for the current KLEE codebase (Timotej Kapus, @kren1)
* Added -entry-point=FOO option, where FOO is the name of the function to use as the entry point for execution (Riccardo Schirone, @ret2libc)
* Switched STP to v2.1.0 (instead of the old r940) in TravisCI (Martin Nowack, @MartinNowack)
* Improved Dockerfiles to use specific dependency versions (Dan Liew, @delcypher)
* Bug fix: Fixed signed division by constant 1/-1 (Martin Nowack, @MartinNowack, reported by Timotej Kapus, @kren1)
* Bug fix: Generate SRrem expressions correctly (Martin Nowack, @MartinNowack, reported by Timotej Kapus, @kren1)
* Bug fix: Allowed the generation of initial values for queries with empty constraint set (Martin Nowack, @MartinNowack)
* Bug fix: Fixed assertion failure in getDirectCallTarget (Sean Bartell, @yotann)
* Bug fix/test improvement: Use a temporary directory instead of /tmp in futimesat test (Andrew Chi, @andrewchi)
* Various fixes and improvements to the website (Eric Rizzi, @holycrap872; Martin Nowack, @MartinNowack; Bheesham Persaud, @bheesham; Gu Zhengxiong, @NoviceLive; Cristian Cadar, @ccadar)


KLEE 1.0.0, 10 August 2015
==========================

# Recent changes (from 2015)

* Several performance improvements to the counterexample cache, including changing some default behaviour (Eric Rizzi, @holycrap872)
* Computing coverage of KLEE code in Travis CI (Timotej Kapus, @kren1)
* Added an option --readable-posix-inputs which is used to turn on/off the CEX preferences added in the POSIX model (Eric Rizzi, @holycrap872; Cristian Cadar, @ccadar)
* Lots of improvements to the build process (Dan Liew, @delcypher)
* Added klee-clang as alternative to klee-gcc (Martin Nowack, @MartinNowack)
* Added Dockerfile for building a KLEE Docker image (Dan Liew, @delcypher)
* Added a new option, --rewrite-equalities, which makes it possible to disable the optimisation that rewrites existing constraints when an equality with a constant is added (Cristian Cadar, @ccadar)
* Cleaner, more efficient timestamps (Emil Rakadjiev, @erakadjiev)
* Improved integer overflow detection (Luca Dariz, @luckyluke)